G3 Phenolic Data

Operating Temperature:  347°F (175°C)

Intermediate Temperature:  392°F (200°C)

UL 94 HB Rated

NEMA G3 certs to Mil-I-13768/18 GPG, MIL-P-18177

Tubes: Mil-I-24768/18, Type GPG, IEC 61212-3-1 Type PF GC 21

G3 Tube Properties
1/8" Wall Specimen Value
Specific Gravity ASTM D792 1.8
Rockwell Hardness ASTM D785 105 M Scale
Moisture Absorbtion ASTM D570 0.20 %
(Condition D1-24/23)
Tensile Strength ASTM D638 38,500 PSI
(Condition A)
Compressive Strength ASTM D695 38,000 PSI
(Condition A)
Compressive Modulus ASTM D695 850 kpsi
(Condition A)
Temperature Index 180 / 160 C
Flammability Rating UL 94 HB
(Condition A)
Electrical
(Condition A) 400 Volts/mil
(Condition D-48/50) 350 Volts/mil


G3 Sheet Properties
    Thickness Tested    
  .062" .125" .500"  
Specific Gravity ASTM D792     1.80  
     
Rockwell Hardness ASTM D785 110  
 
Moisture Absorbtion ASTM D570          
(Condition D1-24/23) 2.00    
     
Flexural Strength
(Condition A)                LW/CW
ASTM D790 55,000 / 50,000      
psi            
Flexural Modulus ASTM D790 1800 / 1400        
(Condition A)                 LW/CW            
kpsi            
             
Tensile Strength ASTM D638   42,000 / 34,000      
(Condition A)                  LW/CW      
psi      
             
Compressive Strength ASTM D695     76.000    
(Condition A)                 Flatwise      
     
Izod Impact Strength ASTM D256          
(Condition A)  Ft-lb/in          LW/CW      
(Condition E-48/50)             LW/CW     12.0 / 11.0
             
Bonding Strength ASTM D229     1500    
(Condition A) Lb            
             
Shear Strength ASTM D732 18,000        
(Condition A) PSI       Perpindicular            
             
Temperature Index 140 / 170 C    
     
Coefficiant of Thermal Expansion   15.0/ 18.0    
(IPC-TM 650-2.4.24)  X Axis / Y Axis        
C x 10-6        
Flammability Rating UL 94 HB  
(Condition A)      
     
Electrical Strength ASTM D149      
(Condition A) 600 V/mil        
(Condition D-48/50) 580V/mil        
             
Arc Resistance ASTM D495   100 Sec      
(Condition A)            
             
Compartative Tracking Index ASTM D3638   150 Volts      
             
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